* Refactored Amcrest to use central hub component
* Set default streaming source to snapshot
* Simplified code by using discovery platforms
* Makes lint happy
* Update authentication method to basic
* Fixed lint issues
* Makes Amcrest hub async
* Make Amcrest hub IO synchronous and disabled ffmpeg dependency on sensor/amcrest.
* Removed async to load component
* Organized import order
* Update amcrest.py
Marcelo Moreira de Mello